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2. Transparency (graphic) - Wikipedia

   en.wikipedia.org/wiki/Transparency_(graphic)

   Transparency (graphic) Transparency in computer graphics is possible in a number of file formats. The term "transparency" is used in various ways by different people, but at its simplest there is "full transparency" i.e. something that is completely invisible. Only part of a graphic should be fully transparent, or there would be nothing to see.

3. Alpha compositing - Wikipedia

   en.wikipedia.org/wiki/Alpha_compositing

   A color spectrum image with an alpha channel that falls off to zero at its base, where it is blended with the background color. In computer graphics, alpha compositing or alpha blending is the process of combining one image with a background to create the appearance of partial or full transparency. [1] It is often useful to render picture ...

4. Barrier-grid animation and stereography - Wikipedia

   en.wikipedia.org/wiki/Barrier-grid_animation_and...

   Kinegram animation of wind turbine. Barrier-grid animation or picket-fence animation is an animation effect created by moving a striped transparent overlay across an interlaced image. The barrier-grid technique originated in the late 1890s, overlapping with the development of parallax stereography (Relièphographie) for 3D autostereograms.

5. Lenna - Wikipedia

   en.wikipedia.org/wiki/Lenna

   Lenna (or Lena) is a standard test image used in the field of digital image processing, starting in 1973. [1] It is a picture of the Swedish model Lena Forsén, shot by photographer Dwight Hooker and cropped from the centerfold of the November 1972 issue of Playboy magazine. The image has attracted controversy in recent years because of its ...

6. WebP - Wikipedia

   en.wikipedia.org/wiki/WebP

   WebP is a raster graphics file format developed by Google intended as a replacement for JPEG, PNG, and GIF file formats. It supports both lossy and lossless compression, [8] as well as animation and alpha transparency. Google announced the WebP format in September 2010, and released the first stable version of its supporting library in April 2018.

7. PNG - Wikipedia

   en.wikipedia.org/wiki/PNG

   A PNG file contains a single image in an extensible structure of chunks, encoding the basic pixels and other information such as textual comments and integrity checks documented in RFC 2083. [ 7 ] PNG files have the ".png" file extension and the "image/png" MIME media type. [ 8 ] PNG was published as an informational RFC 2083 in March 1997 and ...

8. Lunar Orbiter Image Recovery Project - Wikipedia

   en.wikipedia.org/wiki/Lunar_Orbiter_Image...

   Image as originally shown to the public displays extensive flaws and striping. Earth taken from Lunar Orbiter 1 in 1966. This image shows the improvement in picture quality after capture and reprocessing by LOIRP. The Lunar Orbiter Image Recovery Project (LOIRP) was a project to digitize the original analog data tapes from the five Lunar ...

9. Transparency and translucency - Wikipedia

   en.wikipedia.org/wiki/Transparency_and_translucency

   Transparency can provide almost perfect camouflage for animals able to achieve it. This is easier in dimly-lit or turbid seawater than in good illumination. Many marine animals such as jellyfish are highly transparent. Comparisons of 1. opacity, 2. translucency, and 3. transparency; behind each panel (from top to bottom: grey, red, white) is a ...